Thank you for the information on mainseat61. His recommendation is the Lisinski.
I've since ended up at this website:
http://www.raildude.com/en/munich-sa...city/10481/151
Do I simply choose
Sleeper 2 | 2-bed-compartment | private washing facility | 2nd class, special, and follow the link the the Bahn page?
*I will be booking a ticket for myself and a friend, we will both need a bed.